Struct datafusion_sql::planner::SqlToRel

pub struct SqlToRel<'a, S: ContextProvider> { /* private fields */ }

SQL query planner

Implementations

impl<'a, S: ContextProvider> SqlToRel<'a, S>

pub fn sql_to_expr( &self, sql: SQLExpr, schema: &DFSchema, planner_context: &mut PlannerContext ) -> Result<Expr>

Generate a relational expression from a SQL expression

impl<'a, S: ContextProvider> SqlToRel<'a, S>

pub fn new(schema_provider: &'a S) -> Self

Create a new query planner

pub fn new_with_options(schema_provider: &'a S, options: ParserOptions) -> Self

Create a new query planner

pub fn build_schema(&self, columns: Vec<SQLColumnDef>) -> Result<Schema>

impl<'a, S: ContextProvider> SqlToRel<'a, S>

pub fn statement_to_plan(&self, statement: DFStatement) -> Result<LogicalPlan>

Generate a logical plan from an DataFusion SQL statement

pub fn sql_statement_to_plan(&self, statement: Statement) -> Result<LogicalPlan>

Generate a logical plan from an SQL statement